error C2248: 'Linked_list<T>::iter::iter' : cannot access private member declared in class 'Linked_list<T>::iter' 原因C++P上有说—— If we have not previously told the compiler that the friend is a template, then the compiler will infer that the friend is an ordinary nontemplate cla...
Friend function of a class can access the private members of the class, but it destroys the encapsulation of the class.
A non-member function cannot access private member of the class or object. Member function can access private members of “same type or same class or object. There could be a situation where more than one class where a function required to access private members of more than one type. If ...
"Zhnag San");//init1213Student stu2;1415//stu.initialize (&date, "Zhang San");1617stu.display ();18stu.edit ("Li Si");19//stu.birth.year = 1989;//Cannot access private member declared in class 'Student'
B、Friend functions access object members by “this” pointer. C、A friend of a class can directly access the public and protected members of the class, but cannot directly access a private member D、Friend function of a class can access the private members of the class, but it destroys th...
classMyClass{private:intmember1; }intmain(){ MyClass obj;// Error! Cannot access private members from here.obj.member1 =5; } However, there is a feature in C++ calledfriend functionsthat break this rule and allow us to access member functions from outside the class. ...
娘的查了那么久,才发现居然是名字空间导致的:请不要使用using namespace std;可改为如下就好了:include <iostream> include<string> using std::cin;using std::cout;using std::ostream;using std::istream;using std::endl;class F{ int n;int d;public:F(int n=0,int d=1):n(n),...
A friend function cannot access the private and protected data members of the class directly. It needs to make use of a class object and then access the members using the dot operator. A friend function can be a global function or a member of another class. ...
(2) Can Lily eat in class___ 免费查看参考答案及解析 题目: Once upon a time, a king in Africa had a close friend. The friend always said “This is good!” no matter what ___ in his life. One day, the king and his friend went ___. The friend made a mistake while ___ the...
'tail' : cannot access private member declared in class 'Queue1<char>' (this is of course using a driver program that declares a Queue1<char> object). Any suggestions would be appreciated. Adam #2 Jul 22 '05, 10:06 AM Re: Friend functions and template classes ...